Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. John Choy, PSYD

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1467887208

Dr. John Choy, PSYD is a Clinical Psychologist in Harbor City, California. Qualified in 1989, 37 years ago. Practices with Sud Specialty Group - Ca, a 499-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
37
Licensed in
CA
In the registry since
2013
Specialties on file
3
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

23505 Normandie Ave
Harbor City, CA 90710-1200 Not confirmed with CMS for 13 years — call before visiting
Phone: (310) 874-0491
Fax: (310) 257-1334
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY 12586 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence C3543591 (CA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence MFC 28841 (CA)

Record details

NPI number1467887208
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedSeptember 11, 2013
Last updated in NPPESSeptember 11, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Sud Specialty Group - Ca — 499 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Colleagues at Sud Specialty Group - Ca

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 499 clinicians in the practice; 12 are shown here.